RUDDER DEVICE FOR MARINE VESSEL, AND MARINE VESSEL PROVIDED WITH SAME

摘要

This rudder device for marine vessel (1) comprises: a rudder horn (3) fixed to the stern of a vessel; a rudder (4) rotatably supported on a shaft that corresponds with the rotation reference line (CL); and bearing bushes (11, 12) that are interposed between the bearing holes (8, 9) of the rudder horn (3) and the rudder shafts (16, 17). The bearing bushes (11, 12) have the outer radial surfaces (26) thereof formed by machining in such a manner that the central axis (25a) of the inner radial hole (25) thereof is in alignment with the rotation reference line (CL).